2100203420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1949}}^1$

素因数の和:2187

約数の個数: 96

約数和(自身を含む): 5189184000

約数和(自身を除く): 3088980580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 179, 215, 301, 358, 430, 602, 716, 860, 895, 1204, 1253, 1505, 1790, 1949, 2506, 3010, 3580, 3898, 5012, 6020, 6265, 7697, 7796, 9745, 12530, 13643, 15394, 19490, 25060, 27286, 30788, 38485, 38980, 53879, 54572, 68215, 76970, 83807, 107758, 136430, 153940, 167614, 215516, 269395, 272860, 335228, 348871, 419035, 538790, 586649, 697742, 838070, 1077580, 1173298, 1395484, 1676140, 1744355, 2346596, 2442097, 2933245, 3488710, 4884194, 5866490, 6977420, 9768388, 11732980, 12210485, 15001453, 24420970, 30002906, 48841940, 60005812, 75007265, 105010171, 150014530, 210020342, 300029060, 420040684, 525050855, 1050101710, 2100203420]

約数ペア:

[(1, 2100203420), (2, 1050101710), (4, 525050855), (5, 420040684), (7, 300029060), (10, 210020342), (14, 150014530), (20, 105010171), (28, 75007265), (35, 60005812), (43, 48841940), (70, 30002906), (86, 24420970), (140, 15001453), (172, 12210485), (179, 11732980), (215, 9768388), (301, 6977420), (358, 5866490), (430, 4884194), (602, 3488710), (716, 2933245), (860, 2442097), (895, 2346596), (1204, 1744355), (1253, 1676140), (1505, 1395484), (1790, 1173298), (1949, 1077580), (2506, 838070), (3010, 697742), (3580, 586649), (3898, 538790), (5012, 419035), (6020, 348871), (6265, 335228), (7697, 272860), (7796, 269395), (9745, 215516), (12530, 167614), (13643, 153940), (15394, 136430), (19490, 107758), (25060, 83807), (27286, 76970), (30788, 68215), (38485, 54572), (38980, 53879)]